PK-232 – MBX OPERATING MANUAL COMMAND SUMMARY
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The following are the recommended command settings for Priority Acknowledge:
1200 baud VHF Packet 300 baud HF Packet
ACKPRIOR ON ACKPRIOR ON
PPERSIST ON PPERSIST ON
PERSIST 84 PERSIST 84
SLOTTIME 30 SLOTTIME 8
RESPTIME 0 RESPTIME 0
MAXFRAME 1 - 7 MAXFRAME 1
FRACK 8 FRACK 15
HBAUD 1200 HBAUD 300
VHF ON (or TONE 3) VHF OFF (or TONE 0)
DWAIT doesn't matter DWAIT doesn't matter
Stations using neither the Priority Acknowledge nor the P-persistence schemes should set DWAIT
73 for 1200 baud and DWAIT 76 for 300 baud work. Stations using P-persistence but not Priority
Acknowledge should set PERSIST and SLOTTIME to the same values that ACKPRIOR stations are
using.
Timewave and TAPR use some different command names to handle P-persistence. The following
table should help with the AEA/TAPR command differences:
TAPR_SLOTS MFJ SLOTMASK AEA_PERSIST Remarks
1 $00 255 Disables slotting
2 $01 127
3 84
4 $03 63 Default setting
6 42
8 $07 31 Very busy channel
12 20
16 $0F 15 Extremely busy channel
64 $3F 3
Timewave products calculate the TAPR ACKTIME value based on the setting of HBAUD.
The TAPR DEADTIME command is analogous to the Timewave SLOTTIME command.
ACRDisp "n" Default: 0
Mode: ALL Host: AA
Parameters: "n" - 0 to 255 specifies the screen width, in columns or characters.
0 (zero) disables this function.
The numerical value "n" sets the terminal output format for your needs. Your PK-232 sends a
<CR><LF> sequence to your computer or terminal at the end of a line in the Command and Con-
verse Modes when "n" characters have been printed. Most computers and terminals do this auto-
matically so ACRDISP defaults to 0.
When the PK-232 is in the MORSE mode, received data will be broken up on word boundaries if
possible. At a column of 12 less than the ACRDISP value, the PK-232 starts looking for spaces in
the received data. The first space received after this column forces the PK-232 to generate a car-
riage return. If ACRDISP is 0 (default), this occurs at column 60. If there are no spaces at or after
this column then a carriage return occurs at ACRDISP.
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